Fuzz blockers

The followings are the branches where fuzzer fails to bypass.

Unique non-covered Complexity	Unique Reachable Complexities	Unique Reachable Functions	All non-covered Complexity	All Reachable Complexity	Function Name	Function Callsite	Blocked Branch
8	8	2 : View List ['__errno_location', 'iconv']	8	8	readstat_convert	call site: 00074	/src/readstat/src/readstat_convert.c:15
2	2	1 : View List ['iconv_open']	2	497	readstat_parse_xport	call site: 00052	/src/readstat/src/sas/readstat_xport_read.c:720
0	7	1 : View List ['readstat_parser_free']	0	7	readstat_parser_init	call site: 00005	/src/readstat/src/readstat_parser.c:9
0	0	None	16	48	cnxptiee	call site: 00164	/src/readstat/src/sas/ieee.c:45
0	0	None	8	171	xport_read_labels_v9	call site: 00135	/src/readstat/src/sas/readstat_xport_read.c:386
0	0	None	4	499	readstat_parse_xport	call site: 00050	/src/readstat/src/sas/readstat_xport_read.c:702
0	0	None	4	121	xport_read_labels_v8	call site: 00120	/src/readstat/src/sas/readstat_xport_read.c:320
0	0	None	0	195	xport_read_data	call site: 00154	/src/readstat/src/sas/readstat_xport_read.c:618
0	0	None	0	195	xport_read_data	call site: 00154	/src/readstat/src/sas/readstat_xport_read.c:621
0	0	None	0	22	xport_namestr_bswap	call site: 00091	/src/readstat/src/sas/readstat_xport.c:11
0	0	None	0	8	readstat_parse_xport	call site: 00050	/src/readstat/src/sas/readstat_xport_read.c:705
0	0	None	0	8	readstat_parse_xport	call site: 00050	/src/readstat/src/sas/readstat_xport_read.c:710

Fuzzer calltree


         LLVMFuzzerTestOneInput

[function] [call site] 00000


           fuzzer_parser_init

[function] [call site] 00001


             readstat_parser_init

[function] [call site] 00002


               calloc

[call site] 00003


               calloc

[call site] 00004


               unistd_io_init

[function] [call site] 00005


                 readstat_set_open_handler

[function] [call site] 00006


                 unistd_open_handler

[function] [call site] 00007


                   open_with_unicode

[function] [call site] 00008


                     open

[call site] 00009


                 readstat_set_close_handler

[function] [call site] 00010


                 unistd_close_handler

[function] [call site] 00011


                   close

[call site] 00012


                 readstat_set_seek_handler

[function] [call site] 00013


                 unistd_seek_handler

[function] [call site] 00014


                   lseek

[call site] 00015


                 readstat_set_read_handler

[function] [call site] 00016


                 unistd_read_handler

[function] [call site] 00017


                   read

[call site] 00018


                 readstat_set_update_handler

[function] [call site] 00019


                 unistd_update_handler

[function] [call site] 00020


                   lseek

[call site] 00021


                 calloc

[call site] 00022


                 readstat_set_io_ctx

[function] [call site] 00023


               readstat_parser_free

[function] [call site] 00024


                 readstat_set_io_ctx

[function] [call site] 00025


             readstat_set_open_handler

[function] [call site] 00026


             rt_open_handler

[function] [call site] 00027


             readstat_set_close_handler

[function] [call site] 00028


             rt_close_handler

[function] [call site] 00029


             readstat_set_seek_handler

[function] [call site] 00030


             rt_seek_handler

[function] [call site] 00031


             readstat_set_read_handler

[function] [call site] 00032


             rt_read_handler

[function] [call site] 00033


             readstat_set_update_handler

[function] [call site] 00034


             rt_update_handler

[function] [call site] 00035


             readstat_set_metadata_handler

[function] [call site] 00036


             handle_metadata

[function] [call site] 00037


             readstat_set_note_handler

[function] [call site] 00038


             handle_note

[function] [call site] 00039


             readstat_set_variable_handler

[function] [call site] 00040


             handle_variable

[function] [call site] 00041


             readstat_set_fweight_handler

[function] [call site] 00042


             handle_fweight

[function] [call site] 00043


             readstat_set_value_handler

[function] [call site] 00044


             handle_value

[function] [call site] 00045


             readstat_set_value_label_handler

[function] [call site] 00046


             handle_value_label

[function] [call site] 00047


           readstat_set_io_ctx

[function] [call site] 00048


           readstat_parse_xport

[function] [call site] 00049


             xport_ctx_init

[function] [call site] 00050


               calloc

[call site] 00051


             strcmp

[call site] 00052


             iconv_open

[call site] 00053


             xport_read_library_record

[function] [call site] 00054


               xport_read_header_record

[function] [call site] 00055


                 xport_read_record

[function] [call site] 00056


                   read_bytes

[function] [call site] 00057


                 __isoc99_sscanf

[call site] 00058


               strcmp

[call site] 00059


               strcmp

[call site] 00060


             xport_skip_record

[function] [call site] 00061


             xport_read_timestamp_record

[function] [call site] 00062


               xport_read_record

[function] [call site] 00063


               __isoc99_sscanf

[call site] 00064


               strcmp

[call site] 00065


               mktime

[call site] 00066


             xport_expect_header_record

[function] [call site] 00067


               xport_read_header_record

[function] [call site] 00068


               strcmp

[call site] 00069


               strcmp

[call site] 00070


             xport_expect_header_record

[function] [call site] 00071


             xport_read_table_name_record

[function] [call site] 00072


               xport_read_record

[function] [call site] 00073


               readstat_convert

[function] [call site] 00074


                 iconv

[call site] 00075


                 __errno_location

[call site] 00076


                 __errno_location

[call site] 00077


                 __errno_location

[call site] 00078


             xport_read_file_label_record

[function] [call site] 00079


               xport_read_record

[function] [call site] 00080


               readstat_convert

[function] [call site] 00081


             xport_read_namestr_header_record

[function] [call site] 00082


               xport_read_header_record

[function] [call site] 00083


               strcmp

[call site] 00084


               strcmp

[call site] 00085


               readstat_calloc

[function] [call site] 00086


                 calloc

[call site] 00087


             xport_read_variables

[function] [call site] 00088


               read_bytes

[function] [call site] 00089


               xport_namestr_bswap

[function] [call site] 00090


                 machine_is_little_endian

[function] [call site] 00091


                 byteswap2

[function] [call site] 00092


                 byteswap2

[function] [call site] 00093


                 byteswap2

[function] [call site] 00094


                 byteswap2

[function] [call site] 00095


                 byteswap2

[function] [call site] 00096


                 byteswap2

[function] [call site] 00097


                 byteswap2

[function] [call site] 00098


                 byteswap2

[function] [call site] 00099


                 byteswap2

[function] [call site] 00100


                 byteswap4

[function] [call site] 00101


                 byteswap2

[function] [call site] 00102


               calloc

[call site] 00103


               readstat_convert

[function] [call site] 00104


               readstat_convert

[function] [call site] 00105


               readstat_convert

[function] [call site] 00106


               xport_construct_format

[function] [call site] 00107


                 readstat_convert

[function] [call site] 00108


                 snprintf

[call site] 00109


                 snprintf

[call site] 00110


                 snprintf

[call site] 00111


               xport_skip_rest_of_record

[function] [call site] 00112


               xport_read_obs_header_record

[function] [call site] 00113


                 xport_expect_header_record

[function] [call site] 00114


               xport_read_header_record

[function] [call site] 00115


               strcmp

[call site] 00116


               strcmp

[call site] 00117


               xport_read_labels_v8

[function] [call site] 00118


                 read_bytes

[function] [call site] 00119


                 machine_is_little_endian

[function] [call site] 00120


                 byteswap2

[function] [call site] 00121


                 byteswap2

[function] [call site] 00122


                 byteswap2

[function] [call site] 00123


                 realloc

[call site] 00124


                 realloc

[call site] 00125


                 read_bytes

[function] [call site] 00126


                 read_bytes

[function] [call site] 00127


                 readstat_convert

[function] [call site] 00128


                 readstat_convert

[function] [call site] 00129


                 xport_skip_rest_of_record

[function] [call site] 00130


                 xport_read_obs_header_record

[function] [call site] 00131


               strcmp

[call site] 00132


               xport_read_labels_v9

[function] [call site] 00133


                 read_bytes

[function] [call site] 00134


                 machine_is_little_endian

[function] [call site] 00135


                 byteswap2

[function] [call site] 00136


                 byteswap2

[function] [call site] 00137


                 byteswap2

[function] [call site] 00138


                 byteswap2

[function] [call site] 00139


                 byteswap2

[function] [call site] 00140


                 realloc

[call site] 00141


                 realloc

[call site] 00142


                 realloc

[call site] 00143


                 realloc

[call site] 00144


                 read_bytes

[function] [call site] 00145


                 read_bytes

[function] [call site] 00146


                 read_bytes

[function] [call site] 00147


                 read_bytes

[function] [call site] 00148


                 readstat_convert

[function] [call site] 00149


                 readstat_convert

[function] [call site] 00150


                 readstat_convert

[function] [call site] 00151


                 xport_skip_rest_of_record

[function] [call site] 00152


                 xport_read_obs_header_record

[function] [call site] 00153


             xport_read_data

[function] [call site] 00154


               readstat_malloc

[function] [call site] 00155


               readstat_malloc

[function] [call site] 00156


               read_bytes

[function] [call site] 00157


               xport_process_row

[function] [call site] 00158


                 readstat_realloc

[function] [call site] 00159


                   realloc

[call site] 00160


                 readstat_convert

[function] [call site] 00161


                 memcmp

[call site] 00162


                 sas_validate_tag

[function] [call site] 00163


                 cnxptiee

[function] [call site] 00164


                   get_native

[function] [call site] 00165


                     memcmp

[call site] 00166


                   get_native

[function] [call site] 00167


                   ieee2xpt

[function] [call site] 00168


                     memreverse

[function] [call site] 00169


                       machine_is_little_endian

[function] [call site] 00170


                     memreverse

[function] [call site] 00171


                     memreverse

[function] [call site] 00172


                     memreverse

[function] [call site] 00173


                   xpt2ieee

[function] [call site] 00174


                     memcmp

[call site] 00175


                     memreverse

[function] [call site] 00176


                     memreverse

[function] [call site] 00177


                     memreverse

[function] [call site] 00178


                     memreverse

[function] [call site] 00179


               xport_process_row

[function] [call site] 00180


               xport_update_progress

[function] [call site] 00181


             xport_ctx_free

[function] [call site] 00182


               iconv_close

[call site] 00183


           readstat_parser_free

[function] [call site] 00184